EP 2432265 A1 20120321 - Method and apparatus for sending a key on a wireless local area network
Title (en)
Method and apparatus for sending a key on a wireless local area network
Title (de)
Verfahren und Vorrichtung zum Senden eines Schlüssels in einem drahtlosen lokalen Netzwerk
Title (fr)
Procédé et appareille pour envoyer un cléf dans un réseau local sans fil
Publication
Application
Priority
CN 201010286269 A 20100919
Abstract (en)
The present invention discloses a method and an apparatus for sending a key on a Wireless Local Area Network (WLAN). In a scenario where a Broadband Remote Access Server (BRAS) is separate from an Access Controller (AC), the BRAS may send a master key PMK of a specified WLAN station to the AC and trigger the AC to agree with the WLAN station on a transient key PTK. The method includes: when receiving the master key of the WLAN station sent from an Authentication, Authorization and Accounting (AAA) server, searching a station information table for an Internet Protocol (IP) address of an AC associated with the WLAN station; sending a third Control and Provisioning of Wireless Access Point (CAPWAP) message to the AC to instruct the AC to perform a 4-way handshake with the WLAN station to agree on a transient key, where the third CAPWAP message carries the master key of the WLAN station, a 4-way handshake triggering bit, and a media access control (MAC) address of the WLAN station.
IPC 8 full level
H04L 29/06 (2006.01); H04W 12/03 (2021.01); H04W 12/0431 (2021.01); H04W 48/16 (2009.01)
CPC (source: EP US)
H04L 63/061 (2013.01 - EP US); H04W 12/041 (2021.01 - EP US); H04W 12/0433 (2021.01 - EP US); H04W 84/12 (2013.01 - EP US)
Citation (search report)
- [A] WO 2008034357 A1 20080327 - HUAWEI TECH CO LTD [CN], et al
- [A] US 2007206537 A1 20070906 - CAM-WINGET NANCY [US], et al
- [A] CLANCY T: "Secure handover in enterprise WLANs: capwap, hokey, and IEEE 802.11R [recent advances and evolution of WLAN and WMAN standards]", IEEE WIRELESS COMMUNICATIONS, IEEE SERVICE CENTER, PISCATAWAY, NJ, US, vol. 13, no. 5, 1 October 2008 (2008-10-01), pages 80 - 85, XP011236532, ISSN: 1536-1284
- [A] CALHOUN P ET AL: "Control And Provisioning of Wireless Access Points (CAPWAP) Protocol Specification; rfc5415.txt", CONTROL AND PROVISIONING OF WIRELESS ACCESS POINTS (CAPWAP) PROTOCOL SPECIFICATION; RFC5415.TXT, INTERNET ENGINEERING TASK FORCE, IETF; STANDARD, INTERNET SOCIETY (ISOC) 4, RUE DES FALAISES CH- 1205 GENEVA, SWITZERLAND, 1 March 2009 (2009-03-01), XP015065502
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
EP 2432265 A1 20120321; EP 2432265 B1 20141112; CN 102404720 A 20120404; CN 102404720 B 20141008; US 2012110324 A1 20120503; US 8842830 B2 20140923; WO 2011137782 A1 20111110
DOCDB simple family (application)
EP 11007617 A 20110919; CN 201010286269 A 20100919; CN 2011074199 W 20110517; US 201113236445 A 20110919